domain report

Is mail.site.pro a business email?

Q: Is mail.site.pro a business email?

Yes — mail.site.pro: Work email on a company-owned domain.

Yes. Work email on a company-owned domain.

GET /v1/check?domain=mail.site.prochecked 26 Oct 2026

isBusinessEmail("mail.site.pro")

true

Work email on a company-owned domain. The company runs Microsoft 365.

category: business
recommendation: allow
confidence: 99%

Google Workspace: not detected
Microsoft 365: detected

reasons

Mail setup

Receives mail: Yes
Mail provider: microsoft 365
SPF: v=spf1 include:spf.protection.outlook.com include:eu.mailgun.org include:sendgrid.net include:turbo-smtp.com -all
DMARC policy: reject

MX records for mail.site.pro
Priority	MX host
0	mail-site-pro.mail.protection.outlook.com

Workspace

Google WorkspaceNot detected
Microsoft 365Detected · region EU · managed sign-in

Detected per company domain from public DNS and Microsoft's documented tenant discovery — never per person.

Why this verdict

Confidence 99% · recommendation allow under the default b2b policy.

Learn more

Check another address or domain

check another

via the API

Check mail.site.pro in your code

curl -X POST https://api.isbusinessemail.com/v1/check \
  -H "Authorization: Bearer $IBE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"domain": "mail.site.pro"}'

Get a free API key Read the docs

domain reputationFull reputation report for mail.site.pro →

Data as of 26 October 2026. Verdicts are probabilistic — keep a review path.